Abstract
Issues related to the volatility of aid flows are now becoming crucial in view of their relevance to the achievement of the Millennium Development Goals. The paper examines aid volatility using data for 66 aid recipients over the period 1973-2002. We improve upon earlier work in this important area by disaggregating total aid inflows into sector and programme aid. In this way we avoid focussing on a single aggregate, unlike most previous studies on aid volatility. We also adopt a different methodology to capture aid volatility. The institutional quality of the aid recipient affects the stability of sector aid but not that of programme assistance. Moreover, more open economies, which tend to be smaller and richer, ceteris paribus, are associated with more volatile sector aid flows.